Abades is a versatile snorkelling site featuring a combination of natural reef, seagrass beds, and artificial reef structures. Located on the east coast of Tenerife, the site offers depths ranging from 6 to 15 metres with an average of 10 metres. Visibility typically spans 15 to 30 metres, allowing for clear observation of the varied underwater topography. Entry is made directly from the shore, and the site is well-suited for beginners due to the mild currents. Water temperatures remain between 20 and 24 degrees Celsius throughout the year. A cafe is available on-site for visitors to use between sessions.

Tunnel is a volcanic cave dive located in Puerto de la Cruz, Tenerife. The site features a 60-metre long tunnel with a diameter of 4 to 6 metres, allowing groups to navigate the passage together. Divers experience depths ranging from 12 to 25 metres, with an average depth of 15 metres. This shore entry dive is suitable for beginners and offers visibility between 10 and 30 metres. Conditions include mild currents and water temperatures ranging from 20C to 24C throughout the year. As an overhead environment, this site is also accessible for night diving, with typical dive times lasting 45 minutes.

La Rapadura is a volcanic reef located off the coast of Puerto de la Cruz, Tenerife. The site is defined by unique hexagonal basaltic structures formed by cooling lava, creating a landscape that resembles a construction zone with piles of rock. Divers encounter a wall and drop-off ranging from 20 to 45 metres, with an average depth of 35 metres. Due to the deep profile, strong currents, and potential for surface surf, this site is strictly for advanced divers. Access is by boat only, with visibility typically between 20 and 30 metres. Water temperatures range from 19C to 23C throughout the year.

Portillo is an advanced dive site located in Puerto de la Cruz, Tenerife. The topography consists of a reef starting at 15m depth, which descends to a surrounding sand floor. A notable feature is a volcanic cave entrance situated at 32m. Divers must access this site by boat. Conditions include moderate currents and visibility ranging from 5m to 30m. Water temperatures fluctuate between 20C and 23C throughout the year. Due to the depth and the overhead environment of the cave, this site presents risks including decompression, nitrogen narcosis, and deep diving hazards. Local facilities provide air fills, equipment rental, and guided tours.

Bollullo is a reef and cave system situated 200 metres off the coast of Puerto de la Cruz. The reef structure protrudes approximately one metre above the surface, leading down to a maximum depth of 20 metres with an average depth of 12 metres. Divers can explore various caves and swim-throughs within the site. Access is exclusively by boat. Conditions typically feature mild currents and visibility ranging from 15 to 30 metres. Water temperatures fluctuate between 20C and 24C throughout the year. Due to the presence of overhead environments and potential surge, this site is recommended for intermediate divers. Typical dive duration is 45 minutes.

Semiramis is a shore-entry dive site in Puerto de la Cruz, Tenerife, featuring a diverse topography of reefs, caves, and a large canyon with lava bridges. The site ranges in depth from 8 to 20 metres, with an average depth of 12 metres, making it suitable for beginners. Conditions are generally mild with visibility ranging from 5 to 25 metres. Water temperatures fluctuate between 20C and 24C throughout the year. Night diving is permitted at this location. Species recorded around this area include various wrasses, pufferfish, bream, and crustaceans such as crabs and hermit crabs.

Bastion is a marine dive site in Puerto de la Cruz characterised by its volcanic topography. The site features underwater structures including gateways, bridges, steep walls, and towers that resemble a castle. Divers can explore these formations at depths ranging from 12 to 25 metres. Access to this site is by boat only. Conditions are generally manageable with mild currents, making the site suitable for beginners. Water temperatures fluctuate throughout the year, ranging from 20C in the winter months to 24C in September.

Puerto de la Cruz Harbor is a reef site featuring an artificial harbor wall structure. Suitable for beginners, the site offers shore access with depths ranging from 6 to 28 metres, averaging 15 metres. Divers and snorkellers can observe a variety of marine life, including common crabs and snails. Less frequently encountered species include the Great Barracuda, Turkish Wrasse, European Parrotfish, Tompot Blenny, and Sea Hare. Eleven-armed Sea Stars, Canary Damsels, bream, hermit crabs, sea cucumbers, and rockpool prawns are also recorded. Visibility typically spans 10 to 30 metres, though divers should remain aware of boat traffic. The site supports night diving and includes nearby parking and dive shop facilities.